package com.yaomy.control.netty.echo.handler;

import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

/**
 * @Description: Description
 * @ProjectName: spring-parent
 * @Author: 姚明洋
 * @Date: 2020/1/21 14:38
 * @Version: 1.0
 */
public class EchoClientHandler extends ChannelInboundHandlerAdapter {

    private int counter;
    static final String ECHO_REQ = "Hi,Lilinfeng.Welcome to Netty.$_";

    public EchoClientHandler() {
        super();
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        for(int i=0; i<10; i++){
            ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes()));
        }
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        System.out.println("This is "+ ++counter + " times receive server : [" + msg + "]");
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        ctx.flush();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }
}
